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// license:GPL-2.0+
// copyright-holders:Juergen Buchmueller, Dirk Best
/******************************************************************************
* Sharp MZ700
*
* Reference: http://sharpmz.computingmuseum.com
*
******************************************************************************/
#ifndef MZ700_H_
#define MZ700_H_
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/z80pio.h"
#include "sound/speaker.h"
#include "imagedev/cassette.h"
#include "bus/centronics/ctronics.h"
#include "machine/bankdev.h"
#include "machine/ram.h"
class mz_state : public driver_device
{
public:
mz_state(const machine_config &mconfig, device_type type, std::string tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_speaker(*this, "speaker")
, m_pit(*this, "pit8253")
, m_ppi(*this, "ppi8255")
, m_cassette(*this, "cassette")
, m_centronics(*this, "centronics")
, m_ram(*this, RAM_TAG)
, m_palette(*this, "palette")
, m_banke(*this, "banke")
, m_bankf(*this, "bankf")
{ }
DECLARE_READ8_MEMBER(mz700_e008_r);
DECLARE_WRITE8_MEMBER(mz700_e008_w);
DECLARE_READ8_MEMBER(mz800_bank_0_r);
DECLARE_WRITE8_MEMBER(mz700_bank_0_w);
DECLARE_WRITE8_MEMBER(mz800_bank_0_w);
DECLARE_READ8_MEMBER(mz800_bank_1_r);
DECLARE_WRITE8_MEMBER(mz700_bank_1_w);
DECLARE_WRITE8_MEMBER(mz700_bank_2_w);
DECLARE_WRITE8_MEMBER(mz700_bank_3_w);
DECLARE_WRITE8_MEMBER(mz700_bank_4_w);
DECLARE_WRITE8_MEMBER(mz700_bank_5_w);
DECLARE_WRITE8_MEMBER(mz700_bank_6_w);
DECLARE_READ8_MEMBER(mz800_crtc_r);
DECLARE_WRITE8_MEMBER(mz800_write_format_w);
DECLARE_WRITE8_MEMBER(mz800_read_format_w);
DECLARE_WRITE8_MEMBER(mz800_display_mode_w);
DECLARE_WRITE8_MEMBER(mz800_scroll_border_w);
DECLARE_READ8_MEMBER(mz800_ramdisk_r);
DECLARE_WRITE8_MEMBER(mz800_ramdisk_w);
DECLARE_WRITE8_MEMBER(mz800_ramaddr_w);
DECLARE_WRITE8_MEMBER(mz800_palette_w);
DECLARE_WRITE8_MEMBER(mz800_cgram_w);
DECLARE_DRIVER_INIT(mz800);
DECLARE_DRIVER_INIT(mz700);
DECLARE_MACHINE_RESET(mz700);
DECLARE_MACHINE_RESET(mz800);
virtual void machine_start() override;
UINT32 screen_update_mz700(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_mz800(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(ne556_cursor_callback);
TIMER_DEVICE_CALLBACK_MEMBER(ne556_other_callback);
DECLARE_WRITE_LINE_MEMBER(pit_out0_changed);
DECLARE_WRITE_LINE_MEMBER(pit_irq_2);
DECLARE_READ8_MEMBER(pio_port_b_r);
DECLARE_READ8_MEMBER(pio_port_c_r);
DECLARE_WRITE8_MEMBER(pio_port_a_w);
DECLARE_WRITE8_MEMBER(pio_port_c_w);
DECLARE_WRITE_LINE_MEMBER(mz800_z80pio_irq);
DECLARE_READ8_MEMBER(mz800_z80pio_port_a_r);
DECLARE_WRITE8_MEMBER(mz800_z80pio_port_a_w);
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
private:
int m_mz700; /* 1 if running on an mz700 */
int m_cursor_timer;
int m_other_timer;
int m_intmsk; /* PPI8255 pin PC2 */
int m_mz700_ram_lock; /* 1 if ram lock is active */
int m_mz700_ram_vram; /* 1 if vram is banked in */
/* mz800 specific */
std::unique_ptr<UINT8[]> m_cgram;
UINT8 *m_p_chargen;
int m_mz700_mode; /* 1 if in mz700 mode */
int m_mz800_ram_lock; /* 1 if lock is active */
int m_mz800_ram_monitor; /* 1 if monitor rom banked in */
int m_hires_mode; /* 1 if in 640x200 mode */
int m_screennum; /* screen designation */
int m_centronics_busy;
int m_centronics_perror;
UINT8 *m_colorram;
std::unique_ptr<UINT8[]> m_videoram;
UINT8 m_speaker_level;
UINT8 m_prev_state;
UINT16 m_mz800_ramaddr;
UINT8 m_mz800_palette[4];
UINT8 m_mz800_palette_bank;
required_device<cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
required_device<pit8253_device> m_pit;
required_device<i8255_device> m_ppi;
required_device<cassette_image_device> m_cassette;
optional_device<centronics_device> m_centronics;
required_device<ram_device> m_ram;
required_device<palette_device> m_palette;
optional_device<address_map_bank_device> m_banke;
optional_device<address_map_bank_device> m_bankf;
};
#endif /* MZ700_H_ */
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